<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>使用@keyframes创建css动画</title>
    <script src="vue.js"></script>
</head>
<body>
    @keyframes animation-name{
        keyframes-selector{css-styles;}
    }
    <div id="app">
        <button @click="show=!show">使用@keyframes创建css动画</button>
        <transition name="bounce">
            <div class="circular" v-if="show">圆形</div>
        </transiton>
    </div>
    <script>
        var vm=new Vue({ el:'#app',data:{ show:true } })
    </script>
    <style>
    div.circular{
        width:100px;height:100px;background:red;
        border-radius:50%;margin-top:20px;text-align:center;
        line-height:100px;color:#fff;
    }
    .bounce-enter-active{
        animation:Ami.5s;
    }
    .bounce-leave-active{
        animation:Ami.5s;
    }
    @keyframes Ami{
        0%{transform:scale(0);background:red;}
        20%{transform:scale(1);background:burlywood;}
        50%{transform:scale(1.5);background:blueviolet;}
        100%{transform:scale(1);background:burlywood;}
    }
</style>
</body>
</html>